单选题：下列不属于土石方工程施工前的准备工作的是（　　）。

题目内容：
下列不属于土石方工程施工前的准备工作的是（　　）。 A．场地清理
B．排除地面水
C．做好材料、机具及土方机械的选用
D．做好土方工程测量、放线工作

参考答案：
答案解析：

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